Judges 13:5
for, behold, you shall conceive, and bear a son; and no razor shall come on his head; for the child shall be a Nazirite to God from the womb: and he shall begin to save Israel out of the hand of the Philistines."
Numbers 6:5
"'All the days of his vow of separation no razor shall come on his head, until the days are fulfilled, in which he separates himself to Yahweh. He shall be holy. He shall let the locks of the hair of his head grow long.
1 Samuel 1:11
She vowed a vow, and said, "Yahweh of Armies, if you will indeed look on the affliction of your handmaid, and remember me, and not forget your handmaid, but will give to your handmaid a boy, then I will give him to Yahweh all the days of his life, and no razor shall come on his head."
1 Samuel 7:13
So the Philistines were subdued, and they came no more within the border of Israel. The hand of Yahweh was against the Philistines all the days of Samuel.
Numbers 6:2-3
"Speak to the children of Israel, and tell them: 'When either man or woman shall make a special vow, the vow of a Nazirite, to separate himself to Yahweh,
2 Samuel 8:1
After this it happened that David struck the Philistines, and subdued them: and David took the bridle of the mother city out of the hand of the Philistines.
1 Chronicles 18:1
After this it happened, that David struck the Philistines, and subdued them, and took Gath and its towns out of the hand of the Philistines.